Ex-Cop's Mom 'Ashamed' of Stacy Peterson

The mother of a former police sergeant embroiled in controversy surrounding his missing wife and the death of his third wife criticized Stacy Peterson and said she would “swear on a Bible” that her son would never hurt anyone, the Chicago Sun-Times reports.

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"I would tell her I'm ashamed of her for putting the family through this," Betty Morphey said of Stacy Peterson. "She knows where she is."

Drew Peterson has been named a suspect in the disappearance of his wife, Stacy, who last was seen Oct. 28. The body of his third wife was exhumed after suspicion surrounding her death and an independent medical examiner who conducted a second autopsy last week told FOX News it was a homicide.

Kathleen Savio was found dead in an empty bathtub in 2004. Michael Baden, a former New York City chief medical examiner, said Savio died after a struggle and her body was put in the bathtub.

"The results of Dr. Baden's autopsy on Ms. Savio do not surprise us, not because we believe they are accurate, but only because Dr. Baden had indicated over a week before he had performed the autopsy that he believed Kathleen's death was not an accident," lawyer Joel Brodsky said in a statement on Sunday.